diff --git a/OpenAction/ActionViewController.swift b/OpenAction/ActionViewController.swift
index 2a4c493ebf..afe78b94a4 100644
--- a/OpenAction/ActionViewController.swift
+++ b/OpenAction/ActionViewController.swift
@@ -64,9 +64,16 @@ class ActionViewController: UIViewController {
             var responder = self as UIResponder?
             let selectorOpenURL = sel_registerName("openURL:")
             while let current = responder {
-                if current.responds(to: selectorOpenURL) {
-                    current.perform(selectorOpenURL, with: url, afterDelay: 0)
-                    break
+                if #available(iOS 18.0, *) {
+                    if let application = current as? UIApplication {
+                        application.open(url, options: [:], completionHandler: nil)
+                        break
+                    }
+                } else {
+                    if current.responds(to: selectorOpenURL) {
+                        current.perform(selectorOpenURL, with: url, afterDelay: 0)
+                        break
+                    }
                 }
                 responder = current.next
             }
diff --git a/ShareExtension/ShareViewController.swift b/ShareExtension/ShareViewController.swift
index 98829b4cbe..5afada430c 100644
--- a/ShareExtension/ShareViewController.swift
+++ b/ShareExtension/ShareViewController.swift
@@ -84,9 +84,16 @@ class ShareViewController: SLComposeServiceViewController {
         let deepLink = URL(string: AppDeepLinkSchemes.quickLink.appending(url.absoluteString))!
         var responder = self as UIResponder?
         while responder != nil {
-            if responder!.responds(to: selector) {
-                _ = responder?.perform(selector, with: deepLink, with: {})
-                break
+            if #available(iOS 18.0, *) {
+                if let application = responder as? UIApplication {
+                    application.open(deepLink, options: [:], completionHandler: nil)
+                    break
+                }
+            } else {
+                if responder!.responds(to: selector) {
+                    _ = responder?.perform(selector, with: deepLink, with: {})
+                    break
+                }
             }
             responder = responder!.next
         }